Hydrogen supplement co-combustion with diesel in compression ignition engine

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

The present work investigates experimentally the behavior of compression ignition engine while boosting the combustion by enriching air-intake manifold with hydrogen supplement at the atmospheric condition. The study reports the engine thermal efficiency, NOx emissions and engine exhaust temperature while varying hydrogen content, engine speed and ignition timing. The results show that thermal efficiency of the compression ignition engine increases as hydrogen content increases in the air-intake manifold for the same diesel mass flow rate. The effect of hydrogen supplement on engine efficiency is more pronounced at low engine speed and part-load. The hydrogen supplement causes an increase in NOx emissions which is attributed to the increase in the combustion temperature and as a result, lower smoke opacity numbers are attained.

Original languageEnglish
Pages (from-to)54-60
Number of pages7
JournalRenewable energy
Volume82
DOIs
Publication statusPublished - Oct 1 2015

Keywords

  • Compression ignition engine
  • Dual fuel engine
  • Hydrogen supplement combustion
  • NO
  • Particulate matter and gaseous emissions

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

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